drm/i915: Include the AUX CH name in the debug messages

To make it easier to figure out what caused a particular debug
message let's print out aux->name.

v2: Rebase for drm_err() & co.
    Add some punctuation to the messages (Matt)

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200123154542.12271-2-ville.syrjala@linux.intel.com
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index d82827f7f58ba516255d99d985eb16488a0b5fd9..96c2c3420c94d73e2ffe49187d8d9d7c2458a11a 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1193,7 +1193,7 @@ intel_dp_aux_wait_done(struct intel_dp *intel_dp)
 
        if (!done)
                drm_err(&i915->drm,
-                       "%s did not complete or timeout within %ums (status 0x%08x)\n",
+                       "%s: did not complete or timeout within %ums (status 0x%08x)\n",
                        intel_dp->aux.name, timeout_ms, status);
 #undef C
 
@@ -1380,8 +1380,8 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
                const u32 status = intel_uncore_read(uncore, ch_ctl);
 
                if (status != intel_dp->aux_busy_last_status) {
-                       WARN(1, "dp_aux_ch not started status 0x%08x\n",
-                            status);
+                       WARN(1, "%s: not started (status 0x%08x)\n",
+                            intel_dp->aux.name, status);
                        intel_dp->aux_busy_last_status = status;
                }
 
@@ -1442,8 +1442,8 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
        }
 
        if ((status & DP_AUX_CH_CTL_DONE) == 0) {
-               drm_err(&i915->drm, "dp_aux_ch not done status 0x%08x\n",
-                       status);
+               drm_err(&i915->drm, "%s: not done (status 0x%08x)\n",
+                       intel_dp->aux.name, status);
                ret = -EBUSY;
                goto out;
        }
@@ -1453,8 +1453,8 @@ done:
         * Timeouts occur when the sink is not connected
         */
        if (status & DP_AUX_CH_CTL_RECEIVE_ERROR) {
-               drm_err(&i915->drm, "dp_aux_ch receive error status 0x%08x\n",
-                       status);
+               drm_err(&i915->drm, "%s: receive error (status 0x%08x)\n",
+                       intel_dp->aux.name, status);
                ret = -EIO;
                goto out;
        }
@@ -1462,8 +1462,8 @@ done:
        /* Timeouts occur when the device isn't connected, so they're
         * "normal" -- don't fill the kernel log with these */
        if (status & DP_AUX_CH_CTL_TIME_OUT_ERROR) {
-               drm_dbg_kms(&i915->drm, "dp_aux_ch timeout status 0x%08x\n",
-                           status);
+               drm_dbg_kms(&i915->drm, "%s: timeout (status 0x%08x)\n",
+                           intel_dp->aux.name, status);
                ret = -ETIMEDOUT;
                goto out;
        }
@@ -1479,8 +1479,8 @@ done:
         */
        if (recv_bytes == 0 || recv_bytes > 20) {
                drm_dbg_kms(&i915->drm,
-                           "Forbidden recv_bytes = %d on aux transaction\n",
-                           recv_bytes);
+                           "%s: Forbidden recv_bytes = %d on aux transaction\n",
+                           intel_dp->aux.name, recv_bytes);
                ret = -EBUSY;
                goto out;
        }